Dr. Sean Johnson

Assistant Professor

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Biography

Sean Johnson is an observational astronomer primarily studying galaxies, supermassive black holes, and the surrounding gas that supplies fuel for growth. He combines datasets from space-based and large ground-based telescopes to investigate the physical conditions that enable galaxies to continue forming stars. His research identifies chemical signatures of heavy elements produced by supernova explosions that are deposited in intergalactic space by galactic-scale winds and galaxy interactions. Currently, he is the co-PI of the Cosmic Ultraviolet Baryon Survey (CUBS) and is leading the wide-field ground-based follow-up of the MUSE Quasar Blind Emitter Survey (MUSEQuBES), which aims to increase samples for CGM studies at redshifts less than 1. Prior to joining the University of Michigan, Sean was a Hubble Carnegie-Princeton Postdoctoral Fellow at Princeton University and regularly volunteered for the Prison Teaching Initiative. He completed his graduate studies at the University of Chicago and has authored several papers highlighting current areas of research.

Research Interests

Requirements for University of Michigan

Master Program
Requirements
GPA Requirement
Required:3.5
TOEFL
Total
Required:84
GRE General
Verbal
Required:155
Verbal Percentile
Required:50
Quantitative
Required:168
Quantitative Percentile
Required:50
Analytical Writing
Required:3.6
Writing Percentile
Required:50
Prerequisites
Bachelor degree in engineering, physics, or mathematics Calculus Physics
Application Checklist
  • Rackham Graduate School Application
  • Official Transcripts
  • 3 Letters of Recommendation
  • Academic Statement of Purpose
  • Personal Statement
  • CV/Resume
Specialization Notes

Department of Electrical Engineering and Computer Science